Editor's TipEditor's Tip

For soft, healthy locks pair with Number 4’s Lumiere d'hiver Reconstructing Masque. The rich conditioner adds a serious dose of moisture to dry strands.

Number 4 Hair Care

  • 4.0 out of 5 stars, based on 16,795 Reviews 16,795 Reviews Write a Review
  • $32.00
  • 8.5 oz   
  • Availability: In stock

    $32.00

Birchbox Breakdown

At the end of a long day we could all use a fresh start——and the same goes for our hair. When product buildup and styling stress leave strands feeling and looking dull, this clarifying shampoo, subtly scented with white freesia, golden amber, and warm musk, gently cleanses without stripping moisture or color. Black currant and soy restore vibrancy, acai berry and vitamin C deliver youth-boosting antioxidants, oolong tea and Irish moss defend against environmental damage, and lemongrass and oatmeal gently cleanse and purify. This shampoo is also vegan-friendly and free from sulfate/sodium chloride and parabens.

How to Use

Squeeze a small amount (a little goes a long way) of the water-activated formula into the palm of your hand and work into a thick lather. Deposit the lather evenly through damp strands and rinse thoroughly. Use daily for best results.

Water, Decyl Glucoside, Disodium Cocoyl Glutamate, PEG-120 Methyl Glucose Dioleate, Fragrance, Polysorbate 20, Sodium Cocoyl Glutamate, Gluconolactone, Polyquaternium-10, Sodium Benzoate, Benzyl Salicylate, Butylphenyl Methylpropional, Linalool, Hydroxyisohexyl 3-Cyclohexene Carboxaldehyde, Helianthus Annuus (Sunflower) Seed Oil, Glycerin, Sodium Ascorbyl Phosphate, Hydrolyzed Soy Protein, Macrocystis Pyrifera Extract, Ribes Grossularia Fruit Extract, Ribes Nigrum (Black Currant) Leaf Extract, Yogurt Extract, Arctium Lappa Root Extract, Avena Sativa (Oat) Kernel Extract, Camellia Sinensis Leaf Extract, Chondrus Crispus (Carrageenan) Extract, Cymbopogon Schoenanthus Extract, Euterpe Oleracea Fruit Extract, Garcinia Mangostana Peel Extract, Hibiscus Sabdariffa Flower Extract, Hydrastis Canadensis (Golden Seal) Root Extract, Ilex Paraguariensis Leaf Extract

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Most Helpful Customer Reviews

meh
Sampled

This product is meh. My hair doesn't feel like it is being washed when i use it. It says not to use a lot but I never feel like I'm using enough. Doesn't feel super clean after either. Love that is is vegan.

2
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On the fence
Sampled

I do like this product because of all the healthy benefits for your hair and scalp. It does feel like it cleans away the build up. The only issue I have is it makes my hear too soft. I have fine hair and it get kind of limp after using this shampoo.

3
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amazing
Sampled

I loved being able to wash my hair and feel like it got a good deep clean without drying it out and making it feel brittle. In fact it made it feel soft and moisturized. I was so impressed

5
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THE BEST

Love love love the smell of my hair after washing with this shampoo. Wish it wasn't so expensive but I may break down and get it one day

5
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love no. 4

I am a huge fan of this brand. this is great at getting all the build up of the regular products I use

5
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Nice

Works well on your hair. Really makes it feel clean.

4
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So nice!
Sampled

This lathered really well and smelled awesome!! It was totally moisturizing too... I would use it everyday, and will definitely be buying it!

5
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It's not bad...
Sampled

I really prefer my shampoos to smell stronger, but this one does make my hair feel really clean and I like that it doesn't leave a residue in my hair. I like it enough to put in my gym bag, but not enough to use it daily.

4
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Good shampoo
Sampled

I have used clarifying shampoos that felt like it's stripped all the moisture out of my hair, but not this one. My hair was clean but still soft and shiny.

4
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Strong scent but leaves hair soft
Sampled

The scent is very strong, much stronger when you actually use the product versus when you smell it in the bottle. It is a gentle cleanser though and I don't even have to use conditioner. It left my hair soft and clean. The scent did not linger too long after washing.

4
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